arched area 中文意思是什麼

arched area 解釋
背斜組成的地區
  • arched : adj. 拱形的，半圓形的；弓架結構的。 an arched bridge 拱橋。
  • area : n. 1. 面積；平地；地面。2. 空地；〈英國〉地下室前的空地。3. 地區，地方；〈比喻〉區域；范圍。
  1. Evaluation of the effect of collapse in top area of a double - arched tunnel on its the secondary lining

    雙連拱隧道洞頂坍方對二次襯砌穩定影響評價
  2. Tensile stress field would appear in the proximity of arched vault after excavation, slacking of surrounding rock and subsequent dropping of blocks of rock from such area would possibly occur at any time in the context of extra - shallow depth. so i - steel arched support must be erected to provide against possible block dropping and be integrated into a ring with that of pilot tunnels on both sides

    拱頂在核心土開挖后，在一定范圍內出現拉應力區，在超淺埋情況下極容易掉塊和發生圍巖松馳，因此核心土必須邊開挖邊架設工字鋼拱架，使之與左右導洞拱頂工字鋼形成整體。
  3. Construction technique of leakage treatment at intermediate diagragm - wall area in double - arched tunnel

    雙連拱隧道中隔墻滲水處理施工技術
  4. That the arched roadway with the ratio of 0. 2 between arch rise and roadway width is substituted fur rectangular roadway can obviously improve the stress state of roadway surrounding rocks, reduce the deformation and the plastic yield area of roadway surrounding rocks, greatly strengthening the stability of roadway surrounding rocks

    採用矢跨比為0 . 2的圓弧拱巷道代替矩形巷道，可顯著改善巷道圍巖應力狀況，減小巷道圍巖變形量，減少圍巖塑性屈服區域，加強巷道圍巖的穩定性。
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